Station Overview Station Location
Station Number CO-BO-510 Latitude 40.00087
Station Name Lafayette 0.9 ENE Longitude -105.08371
County Boulder Elevation (ft) 5203



Month 30 Yr Avg by PRISM Total Prcp Sum Days Covered By All Observations Daily Prcp Sum Daily Observation Count Multiday Prcp Sum Days Covered by Multiday Observations Multiday Observation Count Days With Prcp Days With Trace Total Snowfall Days With Snowfall Days With Snow On Ground
Oct 18 1.08 1.27 19 1.27 19 0.00 0 0 6 0 4.0 1 0
Nov 18 0.92 0.59 26 0.59 26 0.00 0 0 5 0 0.0 0 0
Dec 18 0.67 0.04 4 0.04 4 0.00 0 0 2 0 0.0 0 0
Jan 19 0.47 0.27 3 0.27 3 0.00 0 0 1 0 0.0 0 0
Feb 19 0.44 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
March 19 1.56 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
April 19 1.94 0.69 4 0.69 4 0.00 0 0 2 1 0.0 0 0
May 19 2.21 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
June 19 1.86 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
July 19 1.54 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Aug 19 1.63 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Sept 19 1.39 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Water Year Totals: 15.71" 2.86" 56 days 2.86" 56 0.00" 0 days 0 16 days 1 days 4.0" 1 days 0 days



Days in Water Year Cell Color Key
        Daily Observation with Prcp         Missing Day
        Multiday Observation         Daily/Multiday Observation Conflict

Day of Year Daily Prcp Multiday Prcp
10/1/2018
10/2/2018
10/3/2018
10/4/2018
10/5/2018
10/6/2018 0.32
10/7/2018 0.00
10/8/2018 0.38
10/9/2018 0.09
10/10/2018 0.03
10/11/2018 0.05
10/12/2018 0.00
10/13/2018 0.00
10/14/2018 0.40
10/15/2018 0.00
10/16/2018 0.00
10/17/2018 0.00
10/18/2018 0.00
10/19/2018 0.00
10/20/2018 0.00
10/21/2018 0.00
10/22/2018 0.00
10/23/2018 0.00
10/24/2018 0.00
10/25/2018
10/26/2018
10/27/2018
10/28/2018
10/29/2018
10/30/2018
10/31/2018
11/1/2018
11/2/2018
11/3/2018
11/4/2018
11/5/2018 0.00
11/6/2018 0.00
11/7/2018 0.00
11/8/2018 0.00
11/9/2018 0.00
11/10/2018 0.00
11/11/2018 0.25
11/12/2018 0.12
11/13/2018 0.00
11/14/2018 0.00
11/15/2018 0.00
11/16/2018 0.00
11/17/2018 0.10
11/18/2018 0.07
11/19/2018 0.00
11/20/2018 0.00
11/21/2018 0.00
11/22/2018 0.00
11/23/2018 0.00
11/24/2018 0.00
11/25/2018 0.05
11/26/2018 0.00
11/27/2018 0.00
11/28/2018 0.00
11/29/2018 0.00
11/30/2018 0.00
12/1/2018 0.02
12/2/2018 0.00
12/3/2018 0.00
12/4/2018 0.02
12/5/2018
12/6/2018
12/7/2018
12/8/2018
12/9/2018
12/10/2018
12/11/2018
12/12/2018
12/13/2018
12/14/2018
12/15/2018
12/16/2018
12/17/2018
12/18/2018
12/19/2018
12/20/2018
12/21/2018
12/22/2018
12/23/2018
12/24/2018
12/25/2018
12/26/2018
12/27/2018
12/28/2018
12/29/2018
12/30/2018
12/31/2018
Day of YearDaily PrcpMultiday Prcp
1/1/2019
1/2/2019
1/3/2019
1/4/2019
1/5/2019
1/6/2019
1/7/2019
1/8/2019
1/9/2019
1/10/2019
1/11/2019
1/12/2019
1/13/2019
1/14/2019
1/15/2019
1/16/2019
1/17/2019
1/18/2019 0.00
1/19/2019 0.27
1/20/2019 0.00
1/21/2019
1/22/2019
1/23/2019
1/24/2019
1/25/2019
1/26/2019
1/27/2019
1/28/2019
1/29/2019
1/30/2019
1/31/2019
2/1/2019
2/2/2019
2/3/2019
2/4/2019
2/5/2019
2/6/2019
2/7/2019
2/8/2019
2/9/2019
2/10/2019
2/11/2019
2/12/2019
2/13/2019
2/14/2019
2/15/2019
2/16/2019
2/17/2019
2/18/2019
2/19/2019
2/20/2019
2/21/2019
2/22/2019
2/23/2019
2/24/2019
2/25/2019
2/26/2019
2/27/2019
2/28/2019
3/1/2019
3/2/2019
3/3/2019
3/4/2019
3/5/2019
3/6/2019
3/7/2019
3/8/2019
3/9/2019
3/10/2019
3/11/2019
3/12/2019
3/13/2019
3/14/2019
3/15/2019
3/16/2019
3/17/2019
3/18/2019
3/19/2019
3/20/2019
3/21/2019
3/22/2019
3/23/2019
3/24/2019
3/25/2019
3/26/2019
3/27/2019
3/28/2019
3/29/2019
3/30/2019
3/31/2019
Day of YearDaily PrcpMultiday Prcp
4/1/2019
4/2/2019
4/3/2019
4/4/2019
4/5/2019
4/6/2019
4/7/2019
4/8/2019
4/9/2019
4/10/2019 T
4/11/2019 0.54
4/12/2019 0.00
4/13/2019 0.15
4/14/2019
4/15/2019
4/16/2019
4/17/2019
4/18/2019
4/19/2019
4/20/2019
4/21/2019
4/22/2019
4/23/2019
4/24/2019
4/25/2019
4/26/2019
4/27/2019
4/28/2019
4/29/2019
4/30/2019
5/1/2019
5/2/2019
5/3/2019
5/4/2019
5/5/2019
5/6/2019
5/7/2019
5/8/2019
5/9/2019
5/10/2019
5/11/2019
5/12/2019
5/13/2019
5/14/2019
5/15/2019
5/16/2019
5/17/2019
5/18/2019
5/19/2019
5/20/2019
5/21/2019
5/22/2019
5/23/2019
5/24/2019
5/25/2019
5/26/2019
5/27/2019
5/28/2019
5/29/2019
5/30/2019
5/31/2019
6/1/2019
6/2/2019
6/3/2019
6/4/2019
6/5/2019
6/6/2019
6/7/2019
6/8/2019
6/9/2019
6/10/2019
6/11/2019
6/12/2019
6/13/2019
6/14/2019
6/15/2019
6/16/2019
6/17/2019
6/18/2019
6/19/2019
6/20/2019
6/21/2019
6/22/2019
6/23/2019
6/24/2019
6/25/2019
6/26/2019
6/27/2019
6/28/2019
6/29/2019
6/30/2019
Day of YearDaily PrcpMultiday Prcp
7/1/2019
7/2/2019
7/3/2019
7/4/2019
7/5/2019
7/6/2019
7/7/2019
7/8/2019
7/9/2019
7/10/2019
7/11/2019
7/12/2019
7/13/2019
7/14/2019
7/15/2019
7/16/2019
7/17/2019
7/18/2019
7/19/2019
7/20/2019
7/21/2019
7/22/2019
7/23/2019
7/24/2019
7/25/2019
7/26/2019
7/27/2019
7/28/2019
7/29/2019
7/30/2019
7/31/2019
8/1/2019
8/2/2019
8/3/2019
8/4/2019
8/5/2019
8/6/2019
8/7/2019
8/8/2019
8/9/2019
8/10/2019
8/11/2019
8/12/2019
8/13/2019
8/14/2019
8/15/2019
8/16/2019
8/17/2019
8/18/2019
8/19/2019
8/20/2019
8/21/2019
8/22/2019
8/23/2019
8/24/2019
8/25/2019
8/26/2019
8/27/2019
8/28/2019
8/29/2019
8/30/2019
8/31/2019
9/1/2019
9/2/2019
9/3/2019
9/4/2019
9/5/2019
9/6/2019
9/7/2019
9/8/2019
9/9/2019
9/10/2019
9/11/2019
9/12/2019
9/13/2019
9/14/2019
9/15/2019
9/16/2019
9/17/2019
9/18/2019
9/19/2019
9/20/2019
9/21/2019
9/22/2019
9/23/2019
9/24/2019
9/25/2019
9/26/2019
9/27/2019
9/28/2019
9/29/2019
9/30/2019



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/6/2018 7:00 AM 0.32 M M M M
10/7/2018 7:00 AM 0.00 0.0 M M M Feels like fall
10/8/2018 7:00 AM 0.38 M M M M misting rain much of the night
10/9/2018 7:00 AM 0.09 M M M M misting rain
10/10/2018 7:00 AM 0.03 M M M M very cold overnight - possibly freezing. Morning had sleeting/misting rain
10/11/2018 7:00 AM 0.05 M M M M some light snow during the day
10/12/2018 7:00 AM 0.00 0.0 M M M
10/13/2018 7:00 AM 0.00 0.0 M M M
10/14/2018 7:00 AM 0.40 4.0 M M M First real SNOW!! Todays snow seems to correlate .4 of melted snow = 4 inches of measured snow.
10/15/2018 7:00 AM 0.00 0.0 M M M projected to be a clear 60 degree day
10/16/2018 7:00 AM 0.00 0.0 M M M projected to be a clear 60 degree day
10/17/2018 7:00 AM 0.00 0.0 M M M
10/18/2018 7:00 AM 0.00 0.0 M M M beautiful day, cool crisp air
10/19/2018 7:00 AM 0.00 0.0 M M M
10/20/2018 7:00 AM 0.00 0.0 M M M quite warm today
10/21/2018 7:00 AM 0.00 0.0 M M M
10/22/2018 7:00 AM 0.00 0.0 M M M
10/23/2018 7:00 AM 0.00 0.0 M M M projected to be a 60 degree day
10/24/2018 7:00 AM 0.00 0.0 M M M projected to be a clear 60 degree day
11/5/2018 7:00 AM 0.00 0.0 M M M
11/6/2018 7:00 AM 0.00 0.0 M M M
11/7/2018 7:00 AM 0.00 0.0 M M M
11/8/2018 7:00 AM 0.00 0.0 M M M
11/9/2018 7:00 AM 0.00 0.0 M M M
11/10/2018 7:00 AM 0.00 0.0 M M M
11/11/2018 7:00 AM 0.25 M M M M Snowed all the next day
11/12/2018 7:00 AM 0.12 M M M M fluffy snow - but sunny afternoon
11/13/2018 7:00 AM 0.00 0.0 M M M
11/14/2018 7:00 AM 0.00 0.0 M M M
11/15/2018 7:00 AM 0.00 0.0 M M M
11/16/2018 7:00 AM 0.00 0.0 M M M
11/17/2018 7:00 AM 0.10 M M M M freezing rain
11/18/2018 7:00 AM 0.07 T M M M daytime light flurries
11/19/2018 7:00 AM 0.00 0.0 M M M
11/20/2018 7:00 AM 0.00 0.0 M M M
11/21/2018 7:00 AM 0.00 0.0 M M M
11/22/2018 7:00 AM 0.00 0.0 M M M
11/23/2018 7:00 AM 0.00 0.0 M M M
11/24/2018 7:00 AM 0.00 0.0 M M M
11/25/2018 7:00 AM 0.05 M M M M super light snow!
11/26/2018 7:00 AM 0.00 0.0 M M M
11/27/2018 7:00 AM 0.00 0.0 M M M
11/28/2018 7:00 AM 0.00 0.0 M M M
11/29/2018 7:00 AM 0.00 0.0 M M M
11/30/2018 7:00 AM 0.00 0.0 M M M T
12/1/2018 7:00 AM 0.02 M M M M
12/2/2018 7:00 AM 0.00 0.0 M M M
12/3/2018 7:00 AM 0.00 0.0 M M M
12/4/2018 7:00 AM 0.02 M M M M
1/18/2019 7:00 AM 0.00 0.0 M M M
1/19/2019 7:00 AM 0.27 M M M M
1/20/2019 7:00 AM 0.00 0.0 M M M
4/10/2019 7:00 AM T M M M M misting rain - no measurable accumulation
4/11/2019 7:00 AM 0.54 M M M M rain to snow on and off all day
4/12/2019 7:00 AM 0.00 0.0 M M M overcast - sun & clouds
4/13/2019 7:00 AM 0.15 M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes



Observation Date Observation Time Notes Largest Stone Size Average Stone Size Smallest Stone Size Stone Consistency Duration Minutes Durration Accuracy Damage Timing More Rain than Hail Hail Started Largest Hail Started Angle of Impact Number of Stones on Pad Distance Between Stones on Pad Depth of Stones on Ground